Person: ÖZDOĞMUŞ, NECMETTİN ÖMER
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ÖZDOĞMUŞ
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NECMETTİN ÖMER
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Publication Metadata only Morphometric characteristics of caudal cranial nerves at petroclival region in fetuses(SPRINGER, 2016) ÖZKAN, MAZHAR; Ozdogmus, Omer; Saban, Enis; Ozkan, Mazhar; Yildiz, Sercan Dogukan; Verimli, Ural; Cakmak, Ozgur; Arifoglu, Yasin; Sehirli, UmitMorphometric measurements of cranial nerves in posterior cranial fossa of fetus cadavers were carried out in an attempt to identify any asymmetry in their openings into the cranium. Twenty-two fetus cadavers (8 females, 14 males) with gestational age ranging between 22 and 38 weeks (mean 30 weeks) were included in this study. The calvaria were removed, the brains were lifted, and the cranial nerves were identified. The distance of each cranial nerve opening to midline and the distances between different cranial nerve openings were measured on the left and right side and compared. The mean clivus length and width were 21.2 +/- A 4.4 and 13.2 +/- A 1.5 mm, respectively. The distance of the twelfth cranial nerve opening from midline was shorter on the right side when compared with the left side (6.6 +/- A 1.1 versus 7.1 +/- A 0.8 mm, p = 0.038). Openings of other cranial nerves did not show such asymmetry with regard to their distance from midline, and the distances between different cranial nerves were similar on the left and right side. Cranial nerves at petroclival region seem to show minimal asymmetry in fetuses.Publication Metadata only An Earplug Technique to Reduce the Gag Reflex during Dental Procedures(KARGER, 2014) TEZULAŞ, EMRE; Cakmak, Yusuf Ozgur; Ozdogmus, Omer; Gunay, Yumusan; Gurbuzer, Bahadir; Tezulas, Emre; Kaspar, Elif Cigdem; Hacioglu, HusniyeBackground: The gag reflex is a frequent problem occurring during dental treatment procedures, especially while making impressions of the maxillary teeth. The present study aims to evaluate the efficacy of a simple earplug as an external auditory canal stimulator to supress the profound gag reflex and as a second step, to map areas of the oropharynx suppressed by this technique. Methods: In the first step of the study, 90 patients who had a gag reflex during the impression procedure were allocated to a study group, a sham group, and a control group for evaluating the efficacy of the earplug technique. Second, 20 new patients with a gag reflex were included in order to map the oropharnygeal areas suppressed by this technique. Results: The severity of the gag reflex was reduced in the earplug group (but not in the sham or the control group). The affected area included the hard palate, uvula, and the tongue but not the posterior wall of oropharynx. Conclusion: An earplug technique can be a useful, practical, and effective tool to overcome the gag reflex during oral procedures, such as impression procedures of maxillary teeth.Publication Metadata only Unique case of trifurcation of the brachial artery: Its clinical significance(WILEY-LISS, 2002) ÖZDOĞMUŞ, NECMETTİN ÖMER; Malcic-Gurbuz, J; Gurunluoglu, R; Ozdogmus, O; Yalin, AThe variability of the arteries in the upper extremity is considerable. This case is a report of a trifurcation of the brachial artery that divided into radial, ulnar, and superior ulnar collateral arteries high in the arm; the length of the brachial artery was only 4.9 cm. Because the upper extremity is a frequent site of injury, various surgical and invasive procedures are performed in this region: consequently, it is of utmost importance to be aware of arterial variations. For some medical procedures, there may be an increased ask of complications because of variant vessels; however, for other procedures, they may be beneficial. In addition to presenting a detailed anatomic study of the case. the clinical significance of the variation has been addressed. Clin. Anat. 15:224-227, 2002. (C) 2002 Wiley-Liss, Inc.Publication Open Access Connections between the facial, vestibular and cochlear nerve bundles within the internal auditory canal(WILEY, 2004-07) ÖZDOĞMUŞ, NECMETTİN ÖMER; Ozdogmus, O; Sezen, O; Kubilay, U; Saka, E; Duman, U; San, T; Cavdar, SThe vestibular, cochlear and facial nerves have a common course in the internal auditory canal (IAC). In this study we investigated the average number of nerve fibres, the average cross-sectional areas of the nerves and nerve fibres, and the apparent connections between the facial, cochlear and vestibular nerve bundles within the IAC, using light and scanning electron microscopy. The anatomical localization of the nerves within the IAC was not straightforward. The general course showed that the nerves rotated anticlockwise in the right ear from the inner ear end towards the brainstem end and vice versa for the left ear. The average number of fibres forming vestibular, cochlear, and facial nerves was not constant during their courses within the IAC. The superior and the inferior vestibular nerves showed an increase in the number of nerve fibres from the inner ear end towards the brainstem end of the IAC, whereas the facial and the cochlear nerves showed a reduction in the number of fibres. This suggests that some of the superior and inferior vestibular nerve bundles may receive fibres from the facial and/or cochlear nerves. Scanning electron microscopic evaluations showed superior vestibular-facial and inferior vestibular-cochlear connections within the IAC, but no facial-cochlear connections were observed. Connections between the nerves of the IAC can explain the unexpected vestibular disturbances in facial paralysis or persistence of tinnitus after cochlear neurectomy in intractable tinnitus cases. The present study offers morphometric and scanning electron microscopic data on the fibre connections of the nerves of the IAC.